Toyota RAV4 (XA40) 2013-2018 Service Manual: Light control switch circuit
Description
This circuit detects the state of the headlight dimmer switch.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (main body ecu)
- Connect the intelligent tester to the dlc3.
- Turn the ignition switch on and press the intelligent tester main switch on.
- Select the items below in the data list, and read the displays on the intelligent tester.
Ok: on is displayed on the intelligent tester screen.
- Inspect headlight dimmer switch
- Remove the headlight dimmer switch.
- Measure the resistance of the switch.
Standard resistance
- Check wire harness (main body ecu - dimmer switch and body ground)
- Disconnect the e12 headlight dimmer switch connector.
- Disconnect the ie and ij instrument panel junction block connectors.
- Disconnect the e15 and e17 main body ecu connectors.
- Measure the resistance of the wire harness side connectors.
Standard resistance
Replace instrument panel junction block (main body ecu)
Back-up light circuit
Description
The park / neutral position switch turns on when the shift lever is moved
into the r position, causing the
back-up lights to illuminate.
Wiring diagram
Inspection procedure
I ...
Door courtesy switch circuit
Description
The main body ecu detects the condition of the door courtesy switch.
Wiring diagram
Inspection procedure
Read value of intelligent tester (door courtesy light switch)
Conn ...
Other materials:
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the tire pressure
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
...
Toyota Safety Sense 2.5
The Toyota Safety Sense
2.5 consists of the following
drive assist systems and
contributes to a safe and
comfortable driving experience:
Driving assist system
PCS (Pre-Collision System)
LTA (Lane Tracing Assist)
AHB (Automatic High
Beam)
RSA (Road Sign Assist) (if
equipped)
Dynamic radar cru ...
Tc and cg terminal circuit
Description
Connecting terminals tc and cg of the dlc3 causes the skid control ecu to
display 2-digit dtcs by
flashing the abs warning light.
Wiring diagram
Inspection procedure
Check dlc3 (tc voltage)
Turn the ignition switch on.
Measure the voltage of the dlc3.
Standar ...
